Bridge Superstructure Replacement (SN 016-0927) - Cook County

The Illinois Department of Transportation is requesting sealed bids for bridge superstructure replacement and widening of Oak Park Avenue (FAU Route 2774) over I-80 in Tinley Park, Cook County, under Contract 62W20 (Structure Number 016-0927), with bids due July 31, 2026 at 12:00 p.m. via the iCX-Integrated Contractors Exchange system. The project is funded through federal-aid highway program resources (Project NHPP-EU65(445), District 1).

The scope encompasses bridge superstructure replacement and widening to accommodate increased shoulder widths and a shared pedestrian path; replaced approach slabs; continuation of the new shared use pedestrian path; removal and installation of new guardrail; striping; drainage improvements; and associated work as shown on plans. Significant utility relocations and adjustments are required, including coordination with AT&T, ComEd, and Nicor Gas, with estimated durations incorporated into the project timeline. Construction must comply with the Standard Specifications for Road and Bridge Construction (adopted January 1, 2022, revised January 1, 2026) and the Manual on Uniform Traffic Control Devices, with strict lane closure hour restrictions on I-80 to maintain expressway traffic flow.

Bidders must execute state and federal certifications as part of the proposal; false or fraudulent certifications constitute breach of contract and grounds for termination. The contract will be awarded to the lowest responsive and responsible bidder meeting conformity with IDOT terms and conditions. The specifications include supplemental requirements and special provisions addressing traffic control on expressways, hot-mix asphalt construction, bridge deck construction, utilities coordination, and environmental compliance.